make more consistent by stripping periods from some not found errors
make more consistent by stripping periods from some not found errors

closes heroku/dx#122

dickeyxxx/heroku,greeca0204/heroku,sancopanco/heroku,vcgato29/heroku,uhoh-itsmaciek/heroku,Faisalawanisee/heroku,sancopanco/heroku,vcgato29/heroku,rkh/heroku,rkh/heroku,Faisalawanisee/heroku,duypq94/heroku,gregburek/heroku,Faisalawanisee/heroku,dickeyxxx/heroku,sancopanco/heroku,heroku/heroku,heroku/heroku,greeca0204/heroku,gregburek/heroku,duypq94/heroku,rkh/heroku,heroku/heroku,dickeyxxx/heroku,greeca0204/heroku,uhoh-itsmaciek/heroku,macedo/heroku,vcgato29/heroku,macedo/heroku,macedo/heroku,duypq94/heroku,gregburek/heroku